Home / 4,449.21-6,137.99-2,679.80

Finding the Fourth Proportional to 4,449.21, 6,137.99 and 2,679.80

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Solution

The fourth proportional to 4,449.21, 6,137.99 and 2,679.80 is: 3,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.21 : 6,137.99 = 2,679.80 : x
  2. Step 2: Convert to fraction form
    4,449.21/6,137.99 = 2,679.80/x
  3. Step 3: Cross multiply
    4,449.21x = 6,137.99 × 2,679.80
  4. Step 4: Simplify right side
    4,449.21x = 16,448,541.51
  5. Step 5: Solve for x
    x = 16,448,541.51/4,449.21
  6. Step 6: Final answer
    x = 3,696.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.